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Algebra Basics

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Questions and Answers

What is the primary concept introduced in this sub-module of algebra?

Simultaneous equations

Algebraic fractions

Quadratic equations

Basic concepts of algebra (correct)

What is the primary difference between arithmetic and algebra?

Arithmetic uses only letters

Arithmetic uses only formulas

Algebra uses letters or symbols to represent numbers (correct)

Algebra uses only numbers

What is the purpose of substituting known number values into formulas and equations in algebra?

To find unknown values (correct)

To prove the equation

To simplify the equation

To eliminate the variable

What is a variable in algebra?

A value or number that is not yet known Signup and view all the answers

What is the formula that represents the relationship between displacement, velocity, and time?

s = v × t Signup and view all the answers

What remains unchanged in a formula or equation in algebra?

The relationship between the variables Signup and view all the answers

What is the purpose of algebraic equations in this sub-module?

To explore methods of finding solutions to linear and quadratic equations Signup and view all the answers

What is the letter commonly used to represent displacement in algebra?

s Signup and view all the answers

What is the term for a number that appears on its own in an algebraic expression?

Constant Signup and view all the answers

What is the result of the calculation s = v × t when the velocity is 220 km/h and the time is 2 hours?

440 km Signup and view all the answers

What is the term for a letter, number, or combination of letters and numbers that is used in an algebraic expression?

Term Signup and view all the answers

What is the rule when two letters or a letter and a number are written next to each other without a space?

It is the same as multiplication Signup and view all the answers